Question
0.50 kg cream pie strikes a circus clown in the face at a speed of 5.00 m/s and stops. What is the change in kinetic energy of the pie?
in joules
in joules
Answers
Damon
(1/2) m v^2
Dominica
thts the formula for how to find kinetic energy not how to calculate the change in kin. energy. what is the formula for change?
Damon
It stopped, therefore the final Ke is zero so the change is -(1/2)mv^2